大约有 20,403 项符合查询结果(耗时:0.0438秒) [XML]

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How do you remove an array element in a foreach loop?

I want to loop through an array with foreach to check if a value exists. If the value does exist, I want to delete the element which contains it. ...
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Why is #!/usr/bin/env bash superior to #!/bin/bash?

I've seen in a number of places, including recommendations on this site ( What is the preferred Bash shebang? ), to use #!/usr/bin/env bash in preference to #!/bin/bash . I've even seen one enterprising individual suggest using #!/bin/bash was wrong and bash functionality would be lost by doing...
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How do you detect where two line segments intersect? [closed]

How do I determine whether or not two lines intersect, and if they do, at what x,y point? 27 Answers ...
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How to disable text selection using jQuery?

Does jQuery or jQuery-UI have any functionality to disable text selection for given document elements? 13 Answers ...
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Java 8 Streams - collect vs reduce

When would you use collect() vs reduce() ? Does anyone have good, concrete examples of when it's definitely better to go one way or the other? ...
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Unix command to prepend text to a file

Is there a Unix command to prepend some string data to a text file? 16 Answers 16 ...
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How to randomly select an item from a list?

Assume I have the following list: 14 Answers 14 ...
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Python group by

Assume that I have a set of data pair where index 0 is the value and index 1 is the type: 6 Answers ...
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Most pythonic way to delete a file which may not exist

I want to delete the file filename if it exists. Is it proper to say 13 Answers 13 ...
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Update statement with inner join on Oracle

I have a query which works fine in MySQL, but when I run it on Oracle I get the following error: 14 Answers ...